It may not be the most prompt response, but you can’t say the Visual Studio team doesn’t listen to their customers!
On Sept. 6th, 2012, Matthew Johnson and Andrew Sarratori released a new Visual Studio Extension called the Visual Studio 2012 Color Theme Editor. You can find it here. Great work, guys!
It has some prebuilt themes and allows you to modify the fonts and colors of Visual Studio to your liking. I’ve included a few screenshots below so you can check it out.
I like a readable UI, but some developers feel REALLY strongly about the colors and contrast. Have fun!!